@misc{indiciaef66e59a60ba7,
  title = {Several Developments in Space Tethers},
  author = {Santangelo, Andrew and Sturmfels, Rich and Rothwell, Neal},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20090041647},
  note = {Source identifier: 20090041647}
}